(19)
(11) EP 2 226 959 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.10.2014 Bulletin 2014/43

(43) Date of publication A2:
08.09.2010 Bulletin 2010/36

(21) Application number: 10155142.2

(22) Date of filing: 02.03.2010
(51) International Patent Classification (IPC): 
H04L 1/18(2006.01)
 H04L 27/34(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated Extension States:
AL BA ME RS

(30) Priority: 02.03.2009 US 156720 P

(71) Applicant: Acer Incorporated
Taipei County (TW)

(72) Inventors:
  • Zheng, Yan-Xiu
    Hsinchu County 302 (TW)
  • Fang, Yu-Chuan
    Yilan County, 260 (TW)

(74) Representative: Ilgart, Jean-Christophe 
BREVALEX 95, rue d'Amsterdam
75378 Paris Cedex 8
75378 Paris Cedex 8 (FR)

   


(54) QAM mapping for an ARQ system


(57) First data are mapped to a QAM constellation, and transmitted. If the first data need to be retransmitted, their order is reversed, mapped to the QAM constellation and transmitted.







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